| supraorbital reflex | Contraction of the orbicularis oculi muscle induced by tapping the supraorbital nerve. Synonym: McCarthy's reflexes, trigeminofacial reflex. (05 Mar 2000) |
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| supraorbital | Above the orbit, either on the face or within the cranium; denoting numerous structures. See: canal, foramen, notch, nerve. (05 Mar 2000) |
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| supraorbital arch | The superior half of the orbital rim, which constitutes the curved superior border of the orbital opening, formed by the frontal bone. See: orbital rim. Synonym: margo supraorbitalis, supraorbital arch, supraorbital ridge. (05 Mar 2000) |
| supraorbital artery | <anatomy, artery> Origin, ophthalmic; distribution, frontalis muscle and scalp; anastomoses, branches of the superficial temporal and supratrochlear. Synonym: arteria supraorbitalis. (05 Mar 2000) |
| supraorbital foramen | A foramen in the supraorbital margin of the frontal bone at the junction of the medial and intermediate thirds. Synonym: foramen supraorbitale. (05 Mar 2000) |
| supraorbital margin | The superior half of the orbital rim, which constitutes the curved superior border of the orbital opening, formed by the frontal bone. See: orbital rim. Synonym: margo supraorbitalis, supraorbital arch, supraorbital ridge. (05 Mar 2000) |
| supraorbital nerve | <anatomy, nerve> A branch of the frontal nerve leaving the orbit through the supraorbital foramen or notch and dividing into branches distributed to the forehead and scalp, upper eyelid, and frontal sinus. Synonym: nervus supraorbitalis. (05 Mar 2000) |
| supraorbital neuralgia | Neuralgia of the supraorbital nerve. (05 Mar 2000) |
| supraorbital notch | A groove in the orbital margin of the frontal bone, about the junction of the medial and intermediate thirds, through which pass the supraorbital nerve and artery. See: supraorbital foramen. Synonym: incisura supraorbitalis. (05 Mar 2000) |
| supraorbital point | <anatomy> The supraorbital point. Origin: NL, fr. Gr, the brow. Source: Websters Dictionary (01 Mar 1998) |
| supraorbital ridge | The superior half of the orbital rim, which constitutes the curved superior border of the orbital opening, formed by the frontal bone. See: orbital rim. Synonym: margo supraorbitalis, supraorbital arch, supraorbital ridge. (05 Mar 2000) |
| supraorbital vein | <anatomy, vein> Drains the front of the scalp and unites with the supratrochlear veins to form the angular vein. Synonym: vena supraorbitalis. (05 Mar 2000) |
| abdominocardiac reflex | Mechanical stimulation (usually distention) of abdominal viscera causing changes (usually a slowing) in the heart rate or the occurrence of extrasystoles. (05 Mar 2000) |
| Abrams' heart reflex | A contraction of the myocardium when the skin of the precordial region is irritated. (05 Mar 2000) |
| accommodation reflex | Increased convexity of the lens, due to contraction of the ciliary muscle and relaxation of the suspensory ligament, to maintain a distinct retinal image. (05 Mar 2000) |
| Achilles reflex | A contraction of the calf muscles when the tendo calcaneus is sharply struck. Synonym: ankle jerk, ankle reflex, tendo Achillis reflex, triceps surae reflex. (05 Mar 2000) |